Metal screw



1.-2. Metal screw

1.1 is a front perspective view of a metal screw showing my new designin accordance to a first embodiment;

1.2 is a top plan view thereof;

1.3 is a front elevational view thereof;

2.1 is a front perspective view of a metal screw showing my new designin accordance to an alternate embodiment;

2.2 is a front elevational view thereof;

2.3 is a top plan view thereof.

CLAIM The ornamental design for a metal screw, as shown and described.